Base | Representation |
---|---|
bin | 1111101101010… |
… | …10011111010100 |
3 | 100011221121220101 |
4 | 13312222133110 |
5 | 232213122244 |
6 | 21024143444 |
7 | 3160013020 |
oct | 766523724 |
9 | 304847811 |
10 | 131770324 |
11 | 68420aa4 |
12 | 38167b84 |
13 | 213b850a |
14 | 13701380 |
15 | b87d0d4 |
hex | 7daa7d4 |
131770324 has 12 divisors (see below), whose sum is σ = 263540704. Its totient is φ = 56472984.
The previous prime is 131770321. The next prime is 131770333. The reversal of 131770324 is 423077131.
131770324 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4706083 = 131770324 / (1 + 3 + 1 + 7 + 7 + 0 + 3 + 2 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 131770292 and 131770301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131770321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353014 + ... + 2353069.
Almost surely, 2131770324 is an apocalyptic number.
131770324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
131770324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131770324 is a wasteful number, since it uses less digits than its factorization.
131770324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4706094 (or 4706092 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 28.
The square root of 131770324 is about 11479.1255764540. The cubic root of 131770324 is about 508.8688553509.
The spelling of 131770324 in words is "one hundred thirty-one million, seven hundred seventy thousand, three hundred twenty-four".
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